Cream-exit for centrifugal cream-separators.



a. H. HAOKETT & T. W. MORGAN.

CREAM EXIT FOR CENTRIFUGAL CREAM SEPARATORS. APPLICATION FILED AUG. 19, 1907.

a ,3 4 Fig.1.

WITNESSES: IN VEN TORS I Cha rZes 1-,. Ha c/{eii 4 W 772 om as VKMorgan.

PATENTED JUNE 9, 1908'.

UNITED sTArnsPnTENT OFFICE.

ouAnLEs H. HACKETT AND THOMAS w. MORGAN, or \VATERLOO, IOWA, AssIcNoRs TO WILBUR w. MARSH, orwArEnLoo. IOWA.

CREAM-EXIT FOR CEN'1ItIlZ13[J'G-AL CREAM-SEPARATORS.

Specification of Letters Patent.

Patented June 9, 1908 Application filed August 19, 1907. Serial No. 389,184.

To fill whom it may concern:

Be it known that we, CHARLES H. IIAoKuTT and 'luorms W. l\IORGAN, citizens of the United States of A'n'ierica, and residents of Waterloo, Blackhawk county, Iowa, have invented certain new and useful Improvements in Cream-Exits for Centrifugal Cream- Separators, of which the following is a speci iication.

Our invention relates to improvements in cream exits for centrifugal cream separators, and the object of our improvement is to provide a cream exit which has includedmeans for adjusting its line of delivery to or from the axis of the separator bowl with a view of thereby enhancing ordiminishing the content of voided cream relative to the proportion of milk thereby mixed therewith in the escaping stream ejaculated from said exit This object we have accomplished by the means which are hereinafter described and claimed, andWhichare illustratedin the drawing, in whichee' a Figure 1 is a vertical central axial section of the cover of a centrifugal cream separator bowl, with our improved. adjustable cream conduit and exit therein, and Fig. 2 is an upper plan View of saidcover, and its cream-exit. j

, Similar numbers refer to similar parts throughout the several views.

-We have shown at 1 the ordinary conical cover for-a centrifugal cream separator bowl having a concentric basal groove or hearing .seat 6 for the reception of a rubber packingring 5.- The upper part of this conical cover is projected upward in the form' of a hollow concentric cylinder 14, yvhose central'axial orifice 2 is adapted to receive means for clamping said cover to the bowl-as well as acting as an inlet for the full milk. A pluralityof channels 4 are provided through the cylinder 14 to serve as milk exits. The numeral 12 denotes a vertical channel in said cylinder 14, open at top and bottom, the upper portion of said channel being of greater diameter thanits lower part. A cream-exit- .tube 9 is adapted to enterv the lower part of the channel 12 and fit within such lower more contracted part of said channel, but having its upper part projecting upward into the expanded part of the channel so that the oblique slot L10 may be above the base of such expanded part to deliver freely ther'einto.

one 'of the radii of the cylinder 14-.

The lowerend of the cream-exit-tube 9 is affixed to and communicates with the interior space of the hollow frustum 8, the latter being adapted to fit within but spaced apart a' short distance from the inner periphery of the conical portion 1 of the separator cover. The frustum 8 is provided with spacing lugs 7 to contact with the inside ofsaid cover 1 and thus space the said parts away from each other. I

The cream exit-tube has an oblique-slot 10 cutting through it near its upper endso 'as to divide it to its diametral line which coincides with the bowls radius. In other words, the inner and outerends of the slot are in a single vertical plane which passes through --Theupperend of the tube 9 is interiorly threaded to receive an exteriorly-threaded screw-plug 13, having a transverse groove on the top whereby it may be turned and adjusted-by a screw-driver. The upper part of the channel 12 is provided with an interior thread 3, within which may be secured another plug when desired, in case the lateral vent-hole .1 1 is used. The upper portion of the channel maybe permanently closed if desired,'or may bebored so as to not quite attain the top surface of the cylinder 14. The upper part of suchchannel may serve as the cream-delivery-vent in the event that the 'vent 11 is closed.

' In operation, if it is desired to skim the cream so that it may be relatively rich in butter-content, the screw-plug 9 is turned a sufficient distance downward into the tube so that its lower edge will close a portion of the slot 10, similar to that adjustment shown in Fig. 1. If the skimmed cream 'is to be thinned by a more liberal admixture of milk, the screw-plug 9 is turned so that its lower edge is elevated and thus widens or rather lengthens the slot 10 radially so as to bring its delivery outer end farther away from the axis of the bowl.. The amount of adjustment would thus be equal in extent to a diameter of said tube taken along a radial line of the bowl. The frustum 8 serves to divide the issuing separated streams of milk thehollow tube 9, and the adjusted vent'of the latter.

Having described our invention, What we' claim as new, and desire to secure by Letters Patent, isz-- 1. An adjustable cream-exit for a centrifugal cream separator, consisting of the combination with the cover of a centrifugal ereain separator bowl having a tubular ereani exit therein, of a rotatable plug movable longitudinally in said tubular cream-exit, saidv plug having a tubular orifice extending obliquely from the central point of its outer surfaee to its inner edge a 2. An adjustable cream-exit for a eentrifugal cream separator, consisting of the combination with the never oi a centrifugal cream separator bowl, such bowl having a tubular orifice therein, of a rotatable lug in .said tubular o enin said lu havin an i-w n axial discharge opening in its outer surface and a tubular orifice extending from the eonter of the bottom of said discharge opening to the edge of the plug which lies inside of said cover and. in coinmnnieation with the interior of the bowl.

Signed at Waterloo, Iowa, this 30th day of Jul 1907.

CHARLES. ll. llACKlCll'l. THOMAS W. MORGAN.

Witnesses O." 1). YOUNG, H. M. HARPER.- 

